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20142020220 = 2235747957191
BaseRepresentation
bin10010110000100011…
…101101011001111100
31220222201202122100220
4102300203231121330
5312222324121340
613130401221340
71312065230010
oct226043553174
956881678326
1020142020220
1185a6710a03
123aa1631850
131b8cc4167a
14d910d4540
157cd470ed0
hex4b08ed67c

20142020220 has 48 divisors (see below), whose sum is σ = 64454466048. Its totient is φ = 4603890240.

The previous prime is 20142020219. The next prime is 20142020273. The reversal of 20142020220 is 2202024102.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 20142020220.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23978176 + ... + 23979015.

It is an arithmetic number, because the mean of its divisors is an integer number (1342801376).

Almost surely, 220142020220 is an apocalyptic number.

20142020220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20142020220 is an abundant number, since it is smaller than the sum of its proper divisors (44312445828).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20142020220 is a wasteful number, since it uses less digits than its factorization.

20142020220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47957210 (or 47957208 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 20142020220 its reverse (2202024102), we get a palindrome (22344044322).

The spelling of 20142020220 in words is "twenty billion, one hundred forty-two million, twenty thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 60 70 84 105 140 210 420 47957191 95914382 143871573 191828764 239785955 287743146 335700337 479571910 575486292 671400674 719357865 959143820 1007101011 1342801348 1438715730 1678501685 2014202022 2877431460 3357003370 4028404044 5035505055 6714006740 10071010110 20142020220